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Vladimir [108]
1 year ago
10

Find the sum of the infinite geometric sequence that begins 1/12, 1/18, 1/27, …

Mathematics
1 answer:
Agata [3.3K]1 year ago
7 0

Answer:

  1/4

Step-by-step explanation:

The sum of an infinite geometric series is given by the formula ...

  S = a/(1 -r)

where 'a' is the first term, and r is the common ratio.

<h3>Application</h3>

Here, the first term is 1/12, and the common ratio is ...

  (1/18)/(1/12) = 12/18 = 2/3

Then the sum is ...

  S = (1/12)/(1 -2/3) = (1/12)/(1/3) = 3/12 = 1/4

The sum of the infinite series is 1/4.

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4 0
1 year ago
Solve 2x3 + x2 - 15x completely by factoring.
Ludmilka [50]
2x^3+x^2-15x factored completely would be: <em>x(x+3)(2x-5).</em> Not sure which answer choice but I hope that I was some help.
8 0
3 years ago
What is the perimeter of a rectangle with a. Length of 13 feet and a width of 9 feet
lisabon 2012 [21]
13 + 13 + 9 + 9
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5 0
3 years ago
Read 2 more answers
Find the missing number: 8.4(1.5 + 2.3) = 12.6 +
Fynjy0 [20]

Answer:

19.32

Step-by-step explanation:

One way to find the missing number is to get the value of the left side of the equation first.

8.4(1.5 + 2.3) = 31.92

Now we need to take that value and subtract it to the value on the right side of the equation.

31.92 - 12.6 = 19.32

So we have:

8.4(1.5 + 2.3) = 12.6 + 19.32

31.92 = 31.92

5 0
3 years ago
Read 2 more answers
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